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Timken 78250 - 78549D Timken bearings distributor

Model No.:
78250 - 78549D
Timken bearings distributor
Technical Parameters:
Cone Part Number:78250     
Cup Part Number:78549D     
T - Bearing Width across Cones:3.0625 in      77.788 mm     
Ca90 - Dynamic Thrust Rating (90 million revolutions)4:17500 lbf      77900 N     
Y2 - ISO Factor4:0.39     
D - Cup Outer Diameter:5.5000 in      139.700 mm     
G2 - Heat Generation Factor (Rib-Roller End):19.1     
db - Cone Backface Backing Diameter:3.35 in      85.10 mm     
R - Cone Backface "To Clear" Radius1:0.090 in      2.300 mm     
Bearing Weight:10.9046 lb      4.9462 Kg     
Da - Cup Frontface Backing Diameter:5.19 in      131.83 mm     
K - Factor1:0.67     
Aa - Cage-Cone Backface Clearance:0.27 in      6.90 mm     
r - Cup Frontface "To Clear" Radius2:0.06 in      1.5 mm     
Kb - Locking Pin Depth:N/A     
d - Cone Bore:2.5000 in      63.500 mm     
e - ISO Factor2:2.6     
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3:20600 lbf      91500 N     
Y1 - ISO Factor3:0.26      0.39     
Z - Number of Rollers Per Row:16     
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)1:11800 lbf      52600 N     
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)2:79300 lbf      353000 N     
B - Cone Width:1.3085 in      33.236 mm     
C - Double Cup Width:2.0395 in      51.803 mm     
Cage Type:Stamped Steel     
Cg - Geometry Factor6:0.0884     
G1 - Heat Generation Factor (Roller-Raceway)5:62.6     
Ka - Locking Pin Diameter:N/A     
Design Units:Imperial     
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Timken 78250 - 78549D description
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